TY - JOUR
T1 - Precise temperature sensing with nanoscale thermal sensors based on diamond NV centers
AU - Choe, Sunuk
AU - Yoon, Jungbae
AU - Lee, Myeongwon
AU - Oh, Jooeon
AU - Lee, Dongkwon
AU - Kang, Heeseong
AU - Lee, Chul Ho
AU - Lee, Donghun
N1 - Funding Information:
This work is supported by the Basic Science Research Program through the National Research Foundation of Korea ( NRF ) funded by the Ministry of Education ( NRF-2016R1D1A1A02937119 ) and the KIST Institutional Program (Project No. 2E26681 ). C.-H. L acknowledges the KU-KIST School Project and the Korea University Future Research Grant.
Funding Information:
This work is supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2016R1D1A1A02937119) and the KIST Institutional Program (Project No. 2E26681). C.-H. L acknowledges the KU-KIST School Project and the Korea University Future Research Grant.
PY - 2018/9
Y1 - 2018/9
N2 - Sensing temperature with high precision and high spatial resolution is challenging and requires novel temperature measurement techniques. Recently, an atomic-scale thermal sensor based on a defect center in diamond, i.e., a nitrogen-vacancy (NV) center, has been developed, and successfully demonstrated temperature sensing at the mK level and a few tens of nanometers. Here we discuss a temperature sensing mechanism based on the NV center in both experimental and theoretical aspects. At room temperature, we show temperature sensing over a wide-range of temperatures ∼90 K with a precision of 0.2 K. We also map temperature gradients in a bridge-like device a few hundreds of micrometers long. In addition, we theoretically compare three sensing protocols and analyze temperature sensitivity to find optimal measurement time and NV concentration for the ensemble measurement.
AB - Sensing temperature with high precision and high spatial resolution is challenging and requires novel temperature measurement techniques. Recently, an atomic-scale thermal sensor based on a defect center in diamond, i.e., a nitrogen-vacancy (NV) center, has been developed, and successfully demonstrated temperature sensing at the mK level and a few tens of nanometers. Here we discuss a temperature sensing mechanism based on the NV center in both experimental and theoretical aspects. At room temperature, we show temperature sensing over a wide-range of temperatures ∼90 K with a precision of 0.2 K. We also map temperature gradients in a bridge-like device a few hundreds of micrometers long. In addition, we theoretically compare three sensing protocols and analyze temperature sensitivity to find optimal measurement time and NV concentration for the ensemble measurement.
KW - Diamond NV center
KW - Nanodiamond
KW - Temperature sensing
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U2 - 10.1016/j.cap.2018.06.002
DO - 10.1016/j.cap.2018.06.002
M3 - Article
AN - SCOPUS:85048203757
VL - 18
SP - 1066
EP - 1070
JO - Current Applied Physics
JF - Current Applied Physics
SN - 1567-1739
IS - 9
ER -